Convert US cups to cubic inches
1 US cup = 14.4375 cubic inches · in³ = cup × 14.4375
When you need this conversion
This conversion goes from US cups, the volume-based measure central to American recipes, to cubic inches, used for engine displacement and small volumes. Both measure the same physical quantity, so the conversion is exact — the difference is which unit your source, tool, or region happens to use.
US cups to cubic inches conversion table
| US cups (cup) | Cubic inches (in³) |
|---|---|
| 1 cup | 14.4375 in³ |
| 2 cup | 28.875 in³ |
| 3 cup | 43.3125 in³ |
| 5 cup | 72.1875 in³ |
| 10 cup | 144.38 in³ |
| 15 cup | 216.56 in³ |
| 20 cup | 288.75 in³ |
| 25 cup | 360.94 in³ |
| 50 cup | 721.88 in³ |
| 75 cup | 1,082.81 in³ |
| 100 cup | 1,443.75 in³ |
| 250 cup | 3,609.38 in³ |
| 500 cup | 7,218.75 in³ |
| 1,000 cup | 14,437.5 in³ |
The formula
in³ = cup × 14.4375Because both units measure volume, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.
Convert the other way
Cubic inches to US cups →Related volume conversions
- US cups to milliliters
- Milliliters to US cups
- Milliliters to US fluid ounces
- Liters to cubic meters
- Liters to US gallons
- Cubic meters to liters
- Cubic meters to cubic feet
- Cubic feet to cubic meters
- US gallons to liters
- US fluid ounces to milliliters
- Milliliters to cubic inches
- Liters to cubic inches
Frequently asked questions
- How many cubic inches are in a US cup?
- There are 14.4375 cubic inches in 1 US cup. The formula is in³ = cup × 14.4375.
- How do you convert US cups to cubic inches?
- Use the formula in³ = cup × 14.4375. For example, 10 US cups equals 144.38 cubic inches.
- Is the US cups to cubic inches conversion exact?
- Yes. US cups and cubic inches are both units of volume, related by an exact defined factor. Displayed results are rounded for readability.
- What is cup short for?
- cup is the standard symbol for US cup. in³ is the symbol for cubic inch.